The two main political parties agree to reduce greenhouse gas emissions by 2020 to 5% below the 2000 level, or about a 20% reduction below business as usual. However, they propose very different policy…
Last week the world stopped to watch as the black disc of Venus inched its way across the face of the sun. But beyond the transits that capture our attention roughly twice per century, Venus has always…
If everyday items were labelled according to the carbon emissions embodied in them, would shoppers change what they buy? And if they did, would it make a difference in the grand scheme of things? Voluntary…
Update October 2012: The manuscript “Evidence of unusual late 20th century warming from an Australasian temperature reconstruction spanning the last millennium” by Joelle Gergis, Raphael Neukom, Ailie…
Australia’s greenhouse gas emissions increased by 0.6% year-on-year in the December quarter, despite a drop in electricity consumption - the largest source of emissions in the national inventory, figures…
There are many features of the design of the Gillard government’s controversial and complex carbon legislation that can be questioned. For example, Australia’s unilateral action; the two-phase carbon tax…
By now most of us have read articles suggesting we “eat less red meat and save the planet”. Some may also have heard statements by the chairman of the Intergovernmental Panel on Climate Change, Dr Rajendra…
What if the world left it too long to take action on global climate change? Is there a way we could somehow cool the planet before an environmental crisis occurs? Geo-engineering is a potential course…
Breathtaking before-and-after pictures showing how fast a Greenland ice sheet has melted in just two years have shocked a climate change expert familiar with the glacier. The melting of glaciers is seen…
Most of the discussion about slowing the impact of climate change has focussed on reducing carbon dioxide emissions. But carbon dioxide isn’t the only greenhouse gas. Methane, halocarbons and nitric oxide…
Methane has been floating into the atmosphere at a slower rate over the last three decades but two new papers published in the journal Nature put forward very different theories as to why it’s happening…